Comparison of the proposed method with some reported methods for detecting As3+a.
| Detection method | Linear range (μg L−1) | LOD (μg L−1) | Recovery (%) | Reference |
|---|---|---|---|---|
| Hydride generation atomic fluorescence spectrometry | 0.1–10 | 0.023 | 96.7–105 | 11 |
| Electrochemistry (AuNPs/SPGE) | 100–150 | 30 | 90.1–109.7 | 14 |
| Fluorescence detection (MSA-CdTe QDs) | 50–1000 | 16 | 92.0–112.0 | 17 |
| Colorimetry (LS-AuNPs) | 5–500 | 2 | — | 20 |
| Colorimetry (citrate-AuNPs) | 4–100 | 1.8 | 95.0–102.8 | 21 |
| Colorimetry (glucose-AuNPs) | 20–500 | 5.6 | — | 28 |
| Colorimetry (GSH-DTT-CYs-PDCA-AuNPs) | 2–20 | 2.5 | 77.4–128.2 | 29 |
| Colorimetry (Ars-3 aptamer-CTAB-AuNPs) | 1–100 | 16.9 | 95.6–107.3 | 30 |
| Colorimetry (polyethylene glycol-AuNPs) | 5–20 | 5 | — | 31 |
| Colorimetry (CS/AuNPs@TDA) | 10–1000 | 6.1 | 88.2–105.7 | Present work |
a
AuNPs/SPGE = gold nanoparticles/screen-printed graphene electrode; MSA-CdTe QDs = mercaptosuccinic acid-capped CdTe quantum dots; LS = lauryl sulphate; GSH-DTT-CYs-PDCA = glutathione-dithiothreitol-l-cysteine-2,6-pyridinedicarboxylicacid; CTAB = cetyltrimethylammonium bromide.